import LICENSES from './licenses.js';
function clean(str) {
    return str.replace(/[^A-Za-z\s]/g, ' ').replace(/[\s]+/g, ' ').trim().toLowerCase();
}
const REGEXES = {
    Apache: [/Apache License\b/],
    BSD: [/BSD\b/],
    ISC: [/The ISC License/, /ISC\b/],
    MIT: [/MIT\b/],
    Unlicense: [/http:\/\/unlicense.org\//],
    WTFPL: [/DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE/, /WTFPL\b/],
};
export default function inferLicense(license) {
    // check if we have any explicit licenses
    const cleanLicense = clean(license);
    for (const licenseName in LICENSES) {
        const testLicense = LICENSES[licenseName];
        if (cleanLicense.search(testLicense) >= 0) {
            return licenseName;
        }
    }
    // infer based on some keywords
    for (const licenseName in REGEXES) {
        for (const regex of REGEXES[licenseName]) {
            if (license.search(regex) >= 0) {
                return `${licenseName}*`;
            }
        }
    }
    return null;
}
